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Planning Commission Lands of Burger July 17, 2008 Page 3 of 13 Trees and Landscanin The property is moderately vegetated with various mature trees and shrubs and none are proposed for removal. However, the site contains a 22" heritage oak tree that is in proximity to the proposed daylighted basement cut and a stairway. According to the applicant the tree is intended to be retained and was a key element to the residence design. The applicant has commissioned an arborist report to assess the potential impacts; recommend alternatives and mitigation measures. The reports, prepared by Consulting Arborist, Walter Levison, August 20, 2007 and April 1, 2008, conclude that the proposed wall and stairway will not have a detrimental effect on the tree and that 70%-80% of the root system will remain intact. (Attachment #5) To ensure protection of all oak trees on site, staff has recommended a condition of approval that requires all oaks on the site to be fenced per the Town's tree fencing standards prior to the start of work. Also, Condition #14 specifies that an ISA Certified Arborist provide a letter stating that all recommendations in the Walter Levison reports were implemented during construction. After completion of rough framing and prior to the time of the prior to final inspection by the Planning and Engineering Departments, the applicant will be required to submit a landscape screening plan and erosion control plan for Site Development Committee review and all plantings required for screening and erosion control will be required to be installed prior to final inspection. (Condition #2) Outdoor Liehtine All lighting proposed with this plan is building mounted lighting. All lighting is within the setbacks and is shielded and recessed. Landscaping lighting will be reviewed with the landscape plan. Gradine Total grading quantities include 2,895 cubic yards of cut and 305 cubic yards of fill. The Engineering Department has reviewed the grading plan and reports that the applicant proposes cut of up to 9 feet for the daylighted basement where the code allows a maximum of four (4) feet. The area of the Grading Policy Exception is approximately 585 square feet (13' x 45'). Basement cut depths are not specifically regulated by the Grading Policy; however, the basement is daylighted and creates a flat yard area adjacent to the basement. Cuts for yard areas are limited to a maximum depth of 4 feet. The additional grading quantity for this basement design is approximately 350 cubic yards more than a conventional basement design.